From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Majed B." Subject: Re: Reshaping the length of devices Date: Fri, 12 Mar 2010 20:08:59 +0300 Message-ID: <70ed7c3e1003120908h21c40695pc562ca660420a451@mail.gmail.com> References: <678411.30301.qm@web51307.mail.re2.yahoo.com> <4B9A71D1.108@anonymous.org.uk> Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: QUOTED-PRINTABLE Return-path: In-Reply-To: <4B9A71D1.108@anonymous.org.uk> Sender: linux-raid-owner@vger.kernel.org To: John Robinson Cc: linux-raid List-Id: linux-raid.ids John, don't hijack the thread. Post your question in a separate email. On Fri, Mar 12, 2010 at 7:54 PM, John Robinson wrote: > On 12/03/2010 15:18, Jon Hardcastle wrote: >> >> >> --- On Fri, 12/3/10, Asdo wrote: >> >>> From: Asdo >>> Subject: Reshaping the length of devices >>> To: "linux-raid" >>> Date: Friday, 12 March, 2010, 15:15 >>> I am wondering... is it possible to >>> reshape the length of the underlying devices with MD raid? >>> >>> I mean like in the case one buys larger disks: after moving >>> the raid partitions to the new disks half of them is still >>> free. So one might want to extend the raid partitions to the >>> end of the disks instead of creating another array in the >>> free space. >>> >>> I have searched the linux-raid mailing list history but I >>> couldn't find this topic. >>> >>> Thanks in advance >> >> As long as the size of ALL underlying devices have increased you can >> --grow=3DMAX to the a multiple of the now smallest drive. > > Hmm, that reminds me I was meaning to ask - before I have to go to a > customer's premises and try it - if I have a CentOS 5 system with 0.9= 0 > metadata and type fd partitions with RAID-5 over 3 discs, and I want = to grow > it by replacing the drives, if I dd small partitions onto larger ones= and > reboot, will the system recognise the RAID-5 - which now has its meta= data > somewhere in the middle of the paritions not at the end - so that I c= an then > --grow? > > Cheers, > > John. > -- > To unsubscribe from this list: send the line "unsubscribe linux-raid"= in > the body of a message to majordomo@vger.kernel.org > More majordomo info at =C2=A0http://vger.kernel.org/majordomo-info.ht= ml > --=20 Majed B. -- To unsubscribe from this list: send the line "unsubscribe linux-raid" i= n the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html